video. scott cohn joins us once again. what you got, scott? >> and lots of new information as well, larry. let's bring you again up to date. for the first time in the 12-year history of the transportation security administration, one of its officers has been killed in the line of duty. it happened on a busy friday morning at los angeles international airport, the sixth busiest in the world when a man entered the terminal, pulled an assault rifle out of a bag, and began shooting. in addition to the slain tsa officer whose name has not been released, two other people were shot. one of them a tsa officer. the suspected shooter, paul anthony ciancia, 23 years old, a los angeles resident originally from new jersey made it all way from the security area to the gates before police shot him, as you can see, in this, the new video that larry was talking about, shot by tmz. in the chaos, several other people suffered minor injuries. the airport shut down for hours. and if all of that isn't chilling enough, los angeles mayor eric garcetti told reporters just moments ago this could have been a whole lot worse.